64723365

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 132046200

約数和(自身を除く): 67322835

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 149, 197, 245, 315, 441, 447, 591, 735, 745, 985, 1043, 1341, 1379, 1773, 2205, 2235, 2955, 3129, 4137, 5215, 6705, 6895, 7301, 8865, 9387, 9653, 12411, 15645, 20685, 21903, 28959, 29353, 36505, 46935, 48265, 62055, 65709, 86877, 88059, 109515, 144795, 146765, 205471, 264177, 328545, 434385, 440295, 616413, 1027355, 1320885, 1438297, 1849239, 3082065, 4314891, 7191485, 9246195, 12944673, 21574455, 64723365]

約数ペア:

[(1, 64723365), (3, 21574455), (5, 12944673), (7, 9246195), (9, 7191485), (15, 4314891), (21, 3082065), (35, 1849239), (45, 1438297), (49, 1320885), (63, 1027355), (105, 616413), (147, 440295), (149, 434385), (197, 328545), (245, 264177), (315, 205471), (441, 146765), (447, 144795), (591, 109515), (735, 88059), (745, 86877), (985, 65709), (1043, 62055), (1341, 48265), (1379, 46935), (1773, 36505), (2205, 29353), (2235, 28959), (2955, 21903), (3129, 20685), (4137, 15645), (5215, 12411), (6705, 9653), (6895, 9387), (7301, 8865)]